Public bug reported:
Computer was suspended on battery power. Plug in AC, Ethernet, then resume from
suspension. gnome-shell freezes for a while, and then works as usual.
Plug in 2 USB hubs. gnome-shell freezes for a while, then crashes.
(If I also plug in a monitor using HDMI->DVI adapter usually both screens go
blank after 5 seconds, though programs are still running.)
results of lsusb:
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 0bc2:ab20 Seagate RSS LLC Backup Plus Portable Drive
Bus 004 Device 004: ID 0bc2:3320 Seagate RSS LLC SRD00F2 [Expansion Desktop
Drive]
Bus 004 Device 002: ID 2109:0812 VIA Labs, Inc. VL812 Hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 8087:07dc Intel Corp.
Bus 003 Device 016: ID 28de:1142
Bus 003 Device 015: ID 046d:082c Logitech, Inc.
Bus 003 Device 014: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 003 Device 013: ID 045e:07a5 Microsoft Corp. Wireless Receiver 1461C
Bus 003 Device 012: ID 050d:0307 Belkin Components USB 2.0 - 7 ports Hub
[FSU307]
Bus 003 Device 011: ID 2109:2812 VIA Labs, Inc. VL812 Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Might be a duplicate of expired bug #871250.
Probably not a security issue.
ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: gnome-shell 3.18.4-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
Uname: Linux 4.4.0-16-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME
Date: Wed Mar 30 16:31:49 2016
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2016-03-03 (27 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64
(20160303)
ProcCmdline: /usr/bin/gnome-shell
SegvAnalysis:
Segfault happened at: 0x7fc4b70505c0 <meta_window_appears_focused>: cmpb
$0x0,0x15d(%rdi)
PC (0x7fc4b70505c0) ok
source "$0x0" ok
destination "0x15d(%rdi)" (0x0000015d) not located in a known VMA region
(needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
meta_window_appears_focused () at /usr/lib/libmutter.so.0
() at /usr/lib/libmutter.so.0
() at /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
() at /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
() at /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
Title: gnome-shell crashed with SIGSEGV in meta_window_appears_focused()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-crash need-amd64-retrace xenial
** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/1564078
Title:
gnome-shell crashed with SIGSEGV in meta_window_appears_focused()
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